INDEX, VOLS. XI.—Xx. 433 
sy new —- from the Falls of the gen i: b ewes of light on jodid of 
Croix, xi, ethy 
on fem xiv, 12 on gas light illumination, xviii, 295. 
foot-tracks, Siluria a Canada, Coe ane vegetables, A. DeCandolle, xiv, 
sed to be reptilian, pat d to be Cru 
cean, xiv, 454. J. LeConte, xiii, 84, 195, 
fruits, of Brandon, Vt., E. Hitchcock, xv, of seule xiii, 84, 143, 438. 
a point of water lowered by pressure, xi, 
Saurian and egy of Pennsylyania,|}_ 115 
I. Lea, xiv, = remont, J. C., letters of, on his recent 
bones, pro panty reptilian, in coal rocks||_ Rocky Mountain Explorations, xvii, 4 
of Nova scoti a, xv, 279, xvi, 33,2983. Frem yw | Bec -, ag; ical properties of 
ibid, J. Leidy, xix, 444 electrified bodies, x 
xigeiles 0 of Old Red Sandstone, Mantell, ahem Wellentliche, by ‘Engel, noticed, 
bones of Connecticut river sandstone Franchot, hot air machine, xv, 418. 
J. Wyman, xx, : - ry on Fish-breeding, nated, xix, 452. 
elephant, in Ohio, xv Fuller, on-eruption of Mt. Loa, xiv, 258. 
7 elephant and rte Richardson, xix,||Fulion, J., new escapement for a clock, xi, 
pom and mastodon in California, aoe Caroliniani exsiccati, Ravenal’s, xiv, 
xix, 132. 
ox, &c., of America, Leidy, xv, 303, xvi, ts,d 1 1 molybdat 
281 — xiv, 423. 
_Fileotheri, &c., of Nebraska, Leidy, ; craaied, Sade, sv 18 
slags yi 
ethan’ in i xv, 282 Furukjeim, per yy on Laplanders, xi xi, ea 
Mastodon, in Northern Illinois, S. P.|\Fusion of 
Lathrop, — 439, ret 
arren on, xiv, 454, xv, 367, xix, 
349 G. 
= nt Ad na on, xv, 48. 
nis, Owen, xii, 452, \|Gabbro rosso of Tuscany, xi, 206, 
siete, original aes of, E. Forbes, xix, Gale, , LD enw waters of Great Salt Lake, 
, XVii, 
coal age H. B. Geinitz’s work on, no- Gateaian maori Ruhmkorff’s, xv, 114. 
ticed, _ a battery, ecot onomical constant, ‘c- ¢6 
Tri carpon, coniferous, xix, 443. Page, xiii, 257. 
plant of Ps peony river sandstone, E, modification of Bunsen’s, Guignet, 
Ehitchcock, J xvi, 
pir and Flora of the Wealden, Man- of = pe. ren i, 384, 
tell, xiv, 107. forid of of ree in, xix, 420, 
Flora ra of the Rabe ff xiv, 230. motion of fluids from positive to 
an Catalogue of British, noticed, xix 
shigattes salle ie a8; Wiedemann, xi 
of wire by, 265. 
tees at 
stone Vi N. Ned. it, 
snd Comm eee 1227 "|, 1 locity of| in telegraph wires, 
8. Carolin a, by Thome aa | 67, 153. 5 Sena 
meat the Skt 452, Xx, 128, 30 ev needed for maximum eel 
FN on -ealled Taconic pre J. Hi — in electro-mechanics, 
7 XIX, 
pen a, J. W. Sa  aguerreotypes by eal oy 
of Rocky Hioantaine, J sg Hilt xe xv, 126, : 
xiutinn, of Ten TF Safford, 
ic bangin by Mantell, noticed, xiii, 407. 
449, 
titerruptor of = La Rive, as improved 
y Miraud, x 
eet evdved ro ne rb — xi, 252, 
work = No mmulites, Xili, sparks, ce age condary eur- 
- ager rid set 5 . Page, xi ai 191. 7 
“Report on ‘W.. god J.D. Whitney, Geological chromium, xviii, 
Lake Superior Land Distric 
i, 222, x peri 4 Galvanism, early discoveries of Berzelius, 
Reednith i Pendulum Experiment, os 112. i - 
D. Electricity. 
S. Lyman, i 251, 398.'|Gambel, Ww. rs notice of, xi, 143. 
me ag on the gyroscope, xv, 263, Tree of Siam, Dr. Christison, xiii, 
Garret, TH, analysis of chrome ore, xiv, 
‘Fownes's Chemistry, noticed, xvii, 454, xviii, on Kimmererite, es Emerald 
Nickel, Dolomite, aga 
Szconp Szrres, Vol, XX, No. 60 .—Nor., 1985. 
